/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.wildfly.extension.undertow.security.jaspi.modules;
import io.undertow.security.api.AuthenticationMechanism;
import io.undertow.security.api.SecurityContext;
import io.undertow.server.HttpServerExchange;
import io.undertow.servlet.handlers.ServletRequestContext;
import org.wildfly.extension.undertow.logging.UndertowLogger;
import org.wildfly.extension.undertow.security.jaspi.JASPIAuthenticationMechanism;
import javax.security.auth.Subject;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.message.AuthException;
import javax.security.auth.message.AuthStatus;
import javax.security.auth.message.MessageInfo;
import javax.security.auth.message.MessagePolicy;
import javax.security.auth.message.module.ServerAuthModule;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.List;
import java.util.Map;
import static io.undertow.security.api.AuthenticationMechanism.AuthenticationMechanismOutcome.AUTHENTICATED;
import static io.undertow.security.api.AuthenticationMechanism.AuthenticationMechanismOutcome.NOT_AUTHENTICATED;
import static javax.security.auth.message.AuthStatus.SEND_CONTINUE;
import static javax.security.auth.message.AuthStatus.SUCCESS;
/**
* <p> This class implements a JASPI {@code ServerAuthModule} that handles the standards HTTP Authentication
* Schemes.</p>
*
* @author Pedro Igor
*/
public class HTTPSchemeServerAuthModule implements ServerAuthModule {
private final String securityDomain;
private AuthenticationMechanism authenticationMechanism;
public HTTPSchemeServerAuthModule(String securityDomain) {
this.securityDomain = securityDomain;
}
@Override
public void initialize(final MessagePolicy messagePolicy, final MessagePolicy messagePolicy2, final CallbackHandler callbackHandler, final Map map) throws AuthException {
}
@Override
public AuthStatus secureResponse(MessageInfo messageInfo, Subject serviceSubject)
throws AuthException {
// do nothing, just return SUCCESS.
return SUCCESS;
}
@Override
public AuthStatus validateRequest(MessageInfo messageInfo, Subject clientSubject, Subject serviceSubject)
throws AuthException {
HttpServerExchange exchange = (HttpServerExchange) messageInfo.getMap().get(JASPIAuthenticationMechanism.HTTP_SERVER_EXCHANGE_ATTACHMENT_KEY);
SecurityContext securityContext = (SecurityContext) messageInfo.getMap().get(JASPIAuthenticationMechanism.SECURITY_CONTEXT_ATTACHMENT_KEY);
ServletRequestContext src = exchange.getAttachment(ServletRequestContext.ATTACHMENT_KEY);
List<AuthenticationMechanism> mechanisms = src.getDeployment().getAuthenticationMechanisms();
try {
boolean success = false;
for (AuthenticationMechanism mechanism : mechanisms) {
AuthenticationMechanism.AuthenticationMechanismOutcome result = mechanism.authenticate(exchange, securityContext);
if (result == AUTHENTICATED) {
success = true;
break;
} else if (result == NOT_AUTHENTICATED) {
break;
}
}
if (!success) {
for (AuthenticationMechanism mechanism : mechanisms) {
AuthenticationMechanism.ChallengeResult challengeResult = mechanism.sendChallenge(exchange, securityContext);
if (challengeResult.getDesiredResponseCode() != null) {
exchange.setResponseCode(challengeResult.getDesiredResponseCode());
}
if(exchange.isResponseComplete()) {
break;
}
}
return SEND_CONTINUE;
}
} catch (Exception e) {
UndertowLogger.ROOT_LOGGER.debug(e);
throw new AuthException("Could not validateRequest using mechanisms [" + mechanisms + ".");
}
return SUCCESS;
}
@Override
public Class[] getSupportedMessageTypes() {
return new Class[]{ServletRequest.class, ServletResponse.class,
HttpServletRequest.class, HttpServletResponse.class};
}
@Override
public void cleanSubject(final MessageInfo messageInfo, final Subject subject) throws AuthException {
//TODO: is necessary to clean the subject here ?
}
}